Welcome to this page! We are glad to introduce you this IEEE 1394a ExpressCard 100/200/400Mbps 2 FireWire Ports. This expansion card features 2 external firewire 1394a 6-pin ports. The card is in compliance with ExpressCard/34mm and IEEE 1394-1395 standard. It supports 1-lane (x1) PCI-Express interface and Windows 2000, XP, XP 64-bit, Server 2003, Vista and Mac OS X operating system. Data transmission speed of this express card can reach 100/200/400/Mbps. Plug and play, support hot swapping. You can use this expansion card without cutting the power of your computer. Just plugging in this expansion card to your computer port, you can fully enjoy the wonderful time it endowed. Easy installation, high quality, and excellent performance, this EEE 1394a ExpressCard is a treat for yourself!